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In this Letter, we present a cosmic Bell experiment with polarization-entangled photons, in which measurement settings were determined based on real-time measurements of the wavelength of photons from high-redshift quasars, whose light was…

We present a portable polarimeter capable of real-time visualization of partial and fully polarized light over a broad band of wavelengths. Our system utilizes a Raspberry Pi computer with a low-cost data acquisition "HAT" (DAQ HAT) and an…

Distance measurements are fundamental to radio pulsars' use as astrophysical probes of General Relativity and the interstellar medium. One of the primary methods for determining pulsar distances is HI kinematics, which leverages the radial…

High Energy Astrophysical Phenomena · Physics 2026-05-12 S. Romero-Ruiz , S. K. Ocker

Learning to navigate unknown environments from scratch is a challenging problem. This work presents a system that integrates world models with curiosity-driven exploration for autonomous navigation in new environments. We evaluate…

Robotics · Computer Science 2023-09-19 Daria de Tinguy , Sven Remmery , Pietro Mazzaglia , Tim Verbelen , Bart Dhoedt

Throughout human history, people have used sight to learn about the world, but only in relatively recent times the science of light has been developed. Egyptians and Mesopotamians made the first known lenses out of quartz, giving birth to…

Optics · Physics 2017-01-23 David Bermudez , Jonathan Drori , Ulf Leonhardt

Polarization information of the light can provide rich cues for computer vision and scene understanding tasks, such as the type of material, pose, and shape of the objects. With the advent of new and cheap polarimetric sensors, this imaging…

Computer Vision and Pattern Recognition · Computer Science 2024-01-03 Joaquin Rodriguez , Lew-Fock-Chong Lew-Yan-Voon , Renato Martins , Olivier Morel

British Antarctic Survey (BAS) researchers launch annual expeditions to the Antarctic in order to estimate Antarctic Krill biomass and assess the change from previous years. These comparisons provide insight into the effects of the current…

Computer Vision and Pattern Recognition · Computer Science 2023-10-13 Mazvydas Gudelis , Michal Mackiewicz , Julie Bremner , Sophie Fielding

AstronomicAL is a human-in-the-loop interactive labelling and training dashboard that allows users to create reliable datasets and robust classifiers using active learning. This technique prioritises data that offer high information gain,…

Instrumentation and Methods for Astrophysics · Physics 2021-09-14 Grant Stevens , Sotiria Fotopoulou , Malcolm N. Bremer , Oliver Ray

The problem of determining total distance ascended during a mountain bike trip is addressed. Altitude measurements are obtained from GPS receivers utilizing both GPS-based and barometric altitude data, with data averaging used to reduce…

Data Analysis, Statistics and Probability · Physics 2011-04-20 D. C. Rapaport

The paper presents a theoretical analysis on the interaction between the Earth's magnetic field of a compass needle and the magnetic field of a straight infinite current-carrying wire. Implementation of a planar horizontal coil of wires has…

General Physics · Physics 2010-08-27 Dimitar G Stoyanov

Using polarization measurements in remote sensing and optical studies allows retrieving more information. We consider relationship between the reflection coefficients of plane and rough surfaces for linearly polarized waves. Certain…

Optics · Physics 2012-12-14 Yu. K. Shestopaloff

Interstellar radar is a potential intermediate step between passive observation of exoplanets and interstellar exploratory missions. Compared to passive observation, it has the traditional advantages of radar astronomy. It can measure…

Instrumentation and Methods for Astrophysics · Physics 2015-06-12 Louis K. Scheffer

We measured the parallax of the James Webb Space Telescope based on near simultaneous observations using the Lulin One-meter Telescope and the GROWTH India Telescope, separated at a distance of ~4214 km. This serves a great demonstration…

Instrumentation and Methods for Astrophysics · Physics 2022-03-16 Chow-Choong Ngeow , Harsh Kumar , Varun Bhalerao

Head-mounted devices integrated with eye tracking promise a solution for natural human-computer interaction. However, they typically require per-user calibration for optimal performance due to inter-person variability. A differential…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Beyza Kalkanli , Tom Bu , Mahsa Shakeri , Alexander Fix , Dave Stronks , Dmitri Model , Mantas Žurauskas

The Cosmic Microwave Background (CMB) radiation offers a unique window into the early Universe, facilitating precise examinations of fundamental cosmological theories. However, the quest for detecting B-modes in the CMB, predicted by…

According to WHO statistics, the number of visually impaired people is increasing annually. One of the most critical necessities for visually impaired people is the ability to navigate safely. This paper proposes a navigation system based…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Mohammad Javadian Farzaneh , Hossein Mahvash Mohammadi

The SKA and its precursors will open a new era in the observation of cosmic magnetic fields and help to understand their origin. In the SKADS polarization simulation project, maps of polarized intensity and RM of the Milky Way, galaxies and…

Instrumentation and Methods for Astrophysics · Physics 2010-02-11 Rainer Beck

The Wide Area Linear Optical Polarimeter North (WALOP-North) is an optical polarimeter designed for the needs of the PASIPHAE survey. It will be installed on the 1.3m telescope at the Skinakas Observatory in Crete, Greece. After…

We analyze the behavior of light as it passes through systems composed of polarizing filters at different angular orientations. The analysis is initially conducted in the context of classical optics, using Malus's Law to calculate the…

Quantum Physics · Physics 2025-11-06 Davi A. Assunção , Samuel B. Soltau

This study proposes and evaluates the PAnoramic Learning Map (PALM), a learning analytics (LA) dashboard designed to address the scalability challenges of LA by integrating curriculum-level information. Traditional LA research has…

Human-Computer Interaction · Computer Science 2026-02-04 Mahiro Ozaki , Li Chen , Shotaro Naganuma , Valdemar Švábenský , Fumiya Okubo , Atsushi Shimada
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